2229823 has 2 divisors, whose sum is σ = 2229824. Its totient is φ = 2229822.

The previous prime is 2229809. The next prime is 2229833. The reversal of 2229823 is 3289222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2229823 - 2⁵ = 2229791 is a prime.

It is a super-2 number, since 2×2229823² = 9944221222658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2229791 and 2229800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2229833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114911 + 1114912.

It is an arithmetic number, because the mean of its divisors is an integer number (1114912).

2^2229823 is an apocalyptic number.

2229823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2229823 is an equidigital number, since it uses as much as digits as its factorization.

2229823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 2229823 is about 1493.2591871474. The cubic root of 2229823 is about 130.6441989286.

The spelling of 2229823 in words is "two million, two hundred twenty-nine thousand, eight hundred twenty-three".